Brain Training! Calculation

Let scoring as much as possible in the "one minute" a formula of four questions!

It is this mission you want to challenge! !

Formula of four questions is Written to test a single sheet of paper.

Let me scored as much as possible during the "one minute" it!

To test paper formula was written

There are a correct answer, the wrong answer.

Answer is correct "○"

And if wrong "✔"

Give me to score the answer sheet as much as possible to write.

And able to compete with others if you participate in the rankings!

I selected this hotel as a top choice!

If you are confident study brain training like games, math for children, in mental arithmetic!

Addition

Subtraction

Subtraction plus

Multiplication